Yes, a few years ago I was in touch with a guy named Stewart or Stuart (not the Stewart from the Trident) who had Jamie's book of numbers and was running trips to the Gulf wrecks on the liveaboard MV Giamani in the summer. They sailed her through the Strait and stopped off to dive the HMS Repulse and Prince of Wales and then the boat did recreational trips to the Similans during the winter. But I was too late to get in on that. After I had delayed for a few years, he decided to get out of the tech diving liveaboard business.
I was hoping someone else had stepped in to fill the void, but I guess not.